Joaquín Pérez-Ortega

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  • José Zavala-Díaz, Joaquín Crispín ; Pérez-Ortega, Efraín Salazar-Reséndiz, Luis Guadarrama-Rogel, César, Dyna +4 others
  • 2015
The algorithm of multiplication of matrices of Dekel, Nassimi and Sahani or Hypercube is analysed, modified and implemented on multi-core processor cluster, where the number of processors used is less than that required by the algorithm n 3. 2 3 , 4 3 and 8 3 processing units are used to multiply matrices of the order of 10x10, 10 2 x10 2 and 10 3 X10 3.(More)
  • México Pérez-Ortega, Joaquín Miranda-Henriques, Fátima Reyes-Salgado, Gerardo Santaolaya-Salgado, René Pazos-Rangel, Rodolfo A Mexicano-Santoyo +7 others
  • 2015
In the health sciences area, data mining applications have had a fast growth due to its results concerning the generation of patterns of interest; however, its application to spatial population-based databases has been scant. This paper shows the results obtained by applying a spatial data mining system of our making to a real population-based data(More)
We propose the usage of formal languages for expressing instances of NP-complete problems for their application in polynomial transformations. The proposed approach, which consists of using formal language theory for polynomial transformations, is more robust, more practical, and faster to apply to real problems than the theory of polynomial(More)
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